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Document Personalization.
Two methods: a small handwritten mark about 10 pt in size or a hidden change of a few pixels on letters. The source file is converted to PDF.
Along with the document you will receive a separate printed passport with a drawing or enlarged map of changed letters "before/after", plus SHA-256 for file verification.
Personalize document Visual marking and integrity control · not an electronic signatureFiles are not saved in your account and are deleted after processing.
Upload a document, adjust settings, and download the result.
PDF, DOCX, XLSX, PPTX, JPG, PNG, WEBP and more.